ABS Light Due to Brake System Control Unit Failure on GMC Envoy

The Anti-lock brake system (ABS) control unit may fail internally causing the ABS warning light to illuminate.

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Average mileage: 118,340 (11,000–228,000)
6 model years affected: 1998, 2002, 2003, 2004, more2005, 2006
19 people reported this problem
13 people shared problem details
2005 GMC Envoy92,000
Check brake system light on, ABS light on, audible warning; brakes seem to work fine but not sure if ABS still enabled.
2005 GMC Envoy80,000
abs light comes on sporadically when applying brakes. also feel a pumping sensation in pedal and a noise at same time which causes volt meter to temporarily begin discharging. unknown cause to problem. taking to mechanic for diagnosis.
2005 GMC Envoy76,000
ABS and Brake warning light comes on at any given time. Not fix because no one can tell me the real problem. Some shops say it is sensor and some say it is the module.
2005 GMC Envoy127,000
ABS light come's 0n when driving on ice in 4 wheel drive.
2006 GMC Envoy153,000
new brakes and rotors installed all around. Brake system emits a farting sound when depressed at low speed right before the stop. I also get a traction control light when first going forward from reverse.
2005 GMC Envoy135,000
My ABS light and warning siren would activate intermittently, starting about 3 years ago. We replaced a wheel bearing/ABs unit that appeared to have worn/failed, but the problem persists. It appears to be the main control unit. My car failed inspection this past month due to it, although braking is not effected at all.
abs light and brake light is on, the truck backs up easy but hard to pull off
2005 GMC Envoy94,000
Brake and abs light on, just had calipers abd front roters done. Went in they said it was ball joint, then lights came on , took it back said it just needed reset lights still on?
2005 GMC Envoy117,000
My abs light is on
2005 GMC Envoy114,448
Abs and brake lights on. Can't figure outnidsye
ABS light and brake light stay lit up
ABS light and loud auditory warning whenever I drive the vehicle. We have replaced one of the ABS sensors on the front passenger wheel, since beating needed to be replaced to pass inspection. Still didn't help problem.
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